Initial open-source release of XLA: Accelerated Linear Algebra.

XLA is a compiler-based linear algebra execution engine that targets CPUs, GPUs and custom accelerators.

XLA is still experimental; we are releasing it early to get the community involved.
Change: 143990941

1 files changed, 20 insertions, 0 deletions

diff --git a/configure b/configure
index 8d4b12aad2..64add33bd5 100755
--- a/configure
+++ b/configure
@@ -112,6 +112,26 @@ else
   sed -i -e "s/WITH_HDFS_SUPPORT = True/WITH_HDFS_SUPPORT = False/" tensorflow/core/platform/default/build_config.bzl
 fi
 
+## Enable XLA.
+while [ "$TF_ENABLE_XLA" == "" ]; do
+  read -p "Do you wish to build TensorFlow with the XLA just-in-time compiler (experimental)? [y/N] " INPUT
+  case $INPUT in
+    [Yy]* ) echo "XLA JIT support will be enabled for TensorFlow"; TF_ENABLE_XLA=1;;
+    [Nn]* ) echo "No XLA JIT support will be enabled for TensorFlow"; TF_ENABLE_XLA=0;;
+    "" ) echo "No XLA support will be enabled for TensorFlow"; TF_ENABLE_XLA=0;;
+    * ) echo "Invalid selection: " $INPUT;;
+  esac
+done
+
+if [ "$TF_ENABLE_XLA" == "1" ]; then
+  # Update Bazel build configuration.
+  perl -pi -e "s,WITH_XLA_SUPPORT = (False|True),WITH_XLA_SUPPORT = True,s" tensorflow/core/platform/default/build_config.bzl
+else
+  # Update Bazel build configuration.
+  perl -pi -e "s,WITH_XLA_SUPPORT = (False|True),WITH_XLA_SUPPORT = False,s" tensorflow/core/platform/default/build_config.bzl
+fi
+
+
 # Invoke python_config and set up symlinks to python includes
 ./util/python/python_config.sh --setup "$PYTHON_BIN_PATH"